Be sure to add me to your favorites list Casio DG-20 Digital Midi Guitar Synthesizer Owner's / User's / Operating Manual This is an owner's / operation manual for the mid 1980's CASIO DG-20 digital guitar synthesizer. This booklet is a very good reproduction version of the owner's manual for the DG-20 guitar synthesizer, in like new condition. Topics include features and functions including an overall view, panel controls and connections, power supply and use of batteries and house and car power adapters, changing the strings of the DG20, digital performance including the use of Midi, specifications, and troubleshooting. This is the English version of the manual, and is a very helpful owner's guide for the Casio DG-20 player! This is a manual or document, this is NOT a piece of equipment or instrument. If you have any questions, I'm always happy to answer them. Thanks for looking! Check out my Store!